<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Tool
 * @subpackage Framework
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Dynamic.php 18951 2009-11-12 16:26:19Z alexander $
 */

/**
 * @see Zend_Tool_Framework_Metadata_Interface
 */
require_once 'Zend/Tool/Framework/Metadata/Interface.php';

/**
 * @category   Zend
 * @package    Zend_Tool
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Tool_Framework_Metadata_Dynamic implements Zend_Tool_Framework_Metadata_Interface
{

	/**
	 * @var string
	 */
	protected $_type = 'Dynamic';

	/**
	 * @var string
	 */
	protected $_name = null;

	/**
	 * @var string
	 */
	protected $_value = null;

	/**
	 * @var array
	 */
	protected $_dynamicAttributes = array();

	/**
	 * getType()
	 *
	 * The type of metadata this describes
	 *
	 * @return string
	 */
	public function getType()
	{
		return $this->_type;
	}

	/**
	 * getName()
	 *
	 * Metadata name
	 *
	 * @return string
	 */
	public function getName()
	{
		return $this->_name;
	}

	/**
	 * getValue()
	 *
	 * Metadata Value
	 *
	 * @return string
	 */
	public function getValue()
	{
		return $this->_value;
	}


	/**
	 * __isset()
	 *
	 * Check if an attrbute is set
	 *
	 * @param string $name
	 * @return bool
	 */
	public function __isset($name)
	{
		return isset($this->_dynamicAttributes[$name]);
	}

	/**
	 * __unset()
	 *
	 * @param string $name
	 * @return null
	 */
	public function __unset($name)
	{
		unset($this->_dynamicAttributes[$name]);
		return;
	}

	/**
	 * __get() - Get a property via property call $metadata->foo
	 *
	 * @param string $name
	 * @return mixed
	 */
	public function __get($name)
	{
		if (method_exists($this, 'get' . $name)) {
			return $this->{'get' . $name}();
		} elseif (array_key_exists($name, $this->_dynamicAttributes)) {
			return ;
		} else {
			require_once 'Zend/Tool/Framework/Registry/Exception.php';
			throw new Zend_Tool_Framework_Registry_Exception('Property ' . $name . ' was not located in this metadata.');
		}
	}

	/**
	 * __set() - Set a property via the magic set $metadata->foo = 'foo'
	 *
	 * @param string $name
	 * @param mixed $value
	 */
	public function __set($name, $value)
	{
		if (method_exists($this, 'set' . $name)) {
			$this->{'set' . $name}($value);
			return;
		} else {
			require_once 'Zend/Tool/Framework/Registry/Exception.php';
			throw new Zend_Tool_Framework_Registry_Exception('Property ' . $name . ' was not located in this registry.');
		}
	}

}
